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PCNSE · Question #275

The firewall determines if a packet is the first packet of a new session or if a packet is part of an existing session using which kind of match?

The correct answer is A. 6-tuple match. On a Palo Alto Networks firewall, a session is defined by two uni-directional flows each uniquely identified by a 6-tuple key: source-address, destination-address, source-port, destination-port, protocol, and security-zone…

Submitted by mateo_ar· Apr 18, 2026Core Concepts

Question

The firewall determines if a packet is the first packet of a new session or if a packet is part of an existing session using which kind of match?

Options

  • A6-tuple match:
  • B5-tuple match:
  • C7-tuple match:
  • D9-tuple match:

How the community answered

(25 responses)
  • A
    92% (23)
  • B
    4% (1)
  • C
    4% (1)

Explanation

On a Palo Alto Networks firewall, a session is defined by two uni-directional flows each uniquely identified by a 6-tuple key: source-address, destination-address, source-port, destination-port, protocol, and security-zone. https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClVECA0

Topics

#Firewall sessions#Packet processing#6-tuple#Session identification

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